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Lesson Plan
Curated OER

Mirror Symmetry/Mirror Images

For Teachers 5th - 6th
Students explore lines of symmetry in geometric shapes. In this geometry lesson, students construct angles using mirrors and rubberbands, then predict the number of images that will appear in the reflection. Students reproduce lines of...
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Lesson Plan
Curated OER

Let's Learn about Symmetry

For Teachers 1st - 3rd
Students explore symmetry in architecture.  In this cross curriculum art  and architecture lesson plan, students fold paper to illustrate symmetry and identify symmetrical and asymmetrical shapes.  Students observe photographs or take a...
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Lesson Plan
Curated OER

Geometry is Fun and EverywhereGeometry, You Don’t Care? Geometry is Fun and Everywhere

For Teachers 3rd
Third graders investigate shapes in our world. In this geometry lesson plan, 3rd graders describe plane and solid shapes and identify angles, solid objects and lines of symmetry. Students use online resources, graphic organizers and...
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Lesson Plan
Curated OER

Symmetry in My World

For Teachers 2nd
Second graders demonstrate understanding of symmetry and identify objects that have symmetry. They use a mirror to get a visual illustration of what symmetry is. They create a collage of symmetrical pictures they find in magazines.
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Lesson Plan
Curated OER

Equilateral Triangle Symmetries Closure Activity

For Teachers Higher Ed
Students explore the symmetries of an equilateral triangle. In this lesson on symmetry, students determine the composition of given equilateral triangles using both rotational and reflectional symmetries.
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Lesson Plan
Curated OER

Lines of Symmetry

For Teachers 5th
Fifth graders explore the concept of symmetry using lines drawn through different shapes. The worksheet that is included in the lesson should be used to chart the lines of symmetry for the different shapes drawn.
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Lesson Plan
Curated OER

Geometry Journal: Isosceles Triangles

For Teachers 10th - 12th
In this isosceles triangles worksheet, students justify and determine the symmetry of an isosceles triangle. They explore the bisector of rectangles. This three-page worksheet contains two problems. Answers are listed on page three.
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Lesson Plan
Curated OER

Symmetries of a Quadrilateral II

For Teachers 9th - 10th Standards
Learners investigate the symmetries of a convex quadrilateral in a collaborative activity. Rigid motion and complements are explored as learners analyze different cases of reflections across a line.
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Worksheet
Curated OER

Lines of Symmetry

For Students 1st - 3rd
In this geometry skills practice learning exercise, students respond to 3 questions that require them to identify lines of symmetry.
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Lesson Plan
Curated OER

Geometry, Measurement & Reasoning

For Teachers 7th - 9th
Students complete worksheets involving rotational symmetry. For this geometry lesson, students complete worksheets to identify rotational symmetry and rotations. They compare and contrast rotated figures. Students examine the...
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Worksheet
Curated OER

Symmetry

For Students 5th - 7th
In this geometry skills practice learning exercise, learners respond to 12 questions that require them to identify images that have symmetry.
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Worksheet
Curated OER

Introduction: Complete the Symmetry

For Students 6th - 7th
In this symmetry worksheet, students observe a model and then complete the shape to make it symmetrical. This one-page worksheet contains two basic problems.
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Worksheet
Curated OER

Symmetry

For Students 1st - 3rd
In this symmetry activity, students find and trace a line of symmetry in the shapes and objects given to them. Students complete 8 problems. 
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Worksheet
Curated OER

Quiz: Transformations: Point Symmetry

For Students 6th - 8th
In this transformation worksheet, students identify the point symmetry in each given drawing. This one-page worksheet contains ten problems.
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Worksheet
Curated OER

Reflection in a Line

For Students 10th
In this reflection of a line activity, 10th graders identify 10 different reflections of lines as stated in each. First, they determine the image of a point under a reflection across the x-axis. Then, students find x, y, and z of a...
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Lesson Plan
Curated OER

Lines of Symmetry

For Teachers 4th
Fourth graders identify lines of symmetry using reflections and then construct figures that have one or more lines of symmetry. In this symmetry lesson plan, 4th graders use sets of shapes, pattern blocks, a mirror, and more.
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Worksheet
Curated OER

Lines of Symmetry

For Students 4th - 6th
In this geometry skills practice worksheet, learners respond to 6 questions that require them to identify images that have symmetry.
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Worksheet
Curated OER

Lines of Symmetry

For Students 1st - 3rd
In this geometry skills practice worksheet, students respond to 6 questions that require them to identify lines of symmetry.
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Worksheet
Curated OER

Symmetry

For Students 5th - 7th
In this geometry skills practice worksheet, students respond to 6 questions that require them to identify images that have symmetry.
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Lesson Plan
02 x 02 Worksheets

Slope

For Teachers 9th - 11th Standards
What does slope have to do with lines? Pupils work with lines and determine the slope of the lines informally and with the slope formula. Groups use their knowledge to calculate the slopes of parallel and perpendicular lines. They also...
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Interactive
CK-12 Foundation

Even and Odd Functions and Function Symmetry: Even and Odd Functions (Symmetry)

For Students 10th - 12th Standards
Even money states that the resource is good to use. Scholars manipulate an interactive to adjust the portion of a graph to the left of the y-axis. The interactive allows them to switch between even and odd modes that show the right side...
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Lesson Plan
Curated OER

Geometry and Symmetry

For Teachers 4th - 6th
Students examine tessellations and their geometric properties. The lesson plan and discussions may be used to develop students' understanding of polygons and symmetry as well as their ability to analyze patterns.
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Lesson Plan
Curated OER

Symmetry that is Basic and Beautiful

For Teachers 1st - 3rd
Students explore lines of symmetry. In this symmetry lesson, students divide and combine shapes along basic lines of symmetry. Students explore symmetry in real life objects.
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Lesson Plan
Curated OER

Identifying Lines of Symmetry

For Teachers 8th - 10th
Students calculate the lines of symmetry using polygons. In this geometry instructional activity, students graph, compare and estimate using collected data. They identify different attributes to the polygons based on their sides.